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Author
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Topic: positive stop question
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Dubz
Gearhead Posts: 1718
From: Manitoba Canada
Registered: Oct 2002
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posted 02-01-2004 09:46 PM
   
When milling heads and running thinner head gaskets can you just shim the positive stop nut by the amount you have milled and or lost by running a thinner gasket, or do you need to set it up different somehow?just wondering how much tinkering would be involved in doing this to gain some compression. I know how to torque bolts, but not how to set up a hyd cam ------------------
1974 Gran Torino (351W/c6)
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Mustang&Fords suggested a Torino restomod, but i have yet to see one...so i'm building one
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Buster
Gearhead Posts: 1437
From: Hurricane alley
Registered: May 2002
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posted 02-02-2004 09:48 AM
Not sure if I understand your question... are you talking about adjusting "shimming" the rockers?If that's your question, you will need to readjust the rockers after you change the head gasket. Unless they use a bolt, then the adjustment would get tight and you would need to add a shim under the fulcrum.
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SteveLaRiviere
Administrator Posts: 43152
From: Saco, Maine
Registered: May 99
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posted 02-02-2004 02:38 PM
quote:
Originally posted by Dubz:
When milling heads and running thinner head gaskets can you just shim the positive stop nut by the amount you have milled and or lost by running a thinner gasket, or do you need to set it up different somehow?just wondering how much tinkering would be involved in doing this to gain some compression. I know how to torque bolts, but not how to set up a hyd cam
You could compensate by using shorter pushrods, and you'd determine the length you'd want by setting your rocker arm geometry.
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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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